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** Logic Puzzle of the Day **
I think, therefore I play
"Men do not quit playing because they grow old; they grow old because they quit playing." Oliver Wendell Holmes (1809-1894)
Free Online Puzzles and Brain Games
Easy, medium and hard 9x9ers, small 4x4 & 6x6 for kids and starters, and huge 12x12ers for enthusiasts.
This online game is a genuine little brain workout in just 3:15 minutes.
Find the hidden pairs of beautiful pictures. A free online game to increase fun and memory!
An elegant puzzle where you have to find the path from the first to the last number.
You need help for a difficult Sudoku? Try our Sudoku Solver.
Weekly new X-Sudokus in three different levels as well as new Even-Odd Sudokus.
A grid full of scyscrapers of different heights. Find out which has to be where by using the clues outside the grid.
A nice logic brain teaser. The letters outside the grid are hints to fill the grid with the correct letters A, B, C,...
Daily new Sudokus to play online or print out.
Similar to a Sudoku, but the grid is not divided into blocks and you have to watch the diagonals.
Welcome to Vinckensteiner's Puzzles and Brain Teasers.

On this website we've been offering original puzzles to all friends of challenging brain games since 2006. Among various types of Sudokus you will also find nice logic brain teasers such as Hidoku, ABC End View or Skyline.

Every puzzle has a unique solution and is solvable by pure logic without guessing.

Put on your thinking cap and have fun at home in your own upper story!

K&K Vinckensteiner

© 2006 - 2021, Vinckensteiner Rätsel und Denkspiele [vs], Karin Vincke and Klaus Steiner, Graz, Austria. All rights reserved.
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BTW, our name is Vinckensteiner and not Vinckenstein, Finckensteiner, Finckenstein, Vinkensteiner, Vinkenstein, Finkensteiner or even Finkenstein.